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Avalanche Forecast

Archived

Mar 14th, 2025–Mar 15th, 2025

Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.
Alpine
Natural avalanches unlikely, human triggered possible.
Treeline
Natural avalanches unlikely, human triggered possible.
Below Treeline
Natural avalanches unlikely.

Regions

Vancouver Island, East Island, North Island, South Island, West Island.

Keep an eye on the weather, as new snow accumulates avalanche danger will increase

Adjust your objectives if you see signs of instability

Confidence

Moderate

Avalanche Summary

On Wednesday, several natural storm slabs (up to size 1.5) were reported on northerly aspects at treeline. Human triggered storm slabs also easily triggered (up to size 1) on west, north and east aspects at treeline and below.

No new avalanches were reported on Thursday.

Snowpack Summary

Up to 20 cm of new snow accompanied by light to moderate southeast wind will likely form new wind slabs on northerly aspects on Saturday.

A crust from early March can be found down 40 to 100 cm. The snow above is well bonded to this crust. Below this, the snowpack is well consolidated and strong.

Weather Summary

Friday Night

Cloudy. 10 to 25 km/h southeast ridgetop wind. Treeline temperature -3 °C.

Saturday

Cloudy with 10 to 20 cm of snow. 20 to 30 km/h southeast ridgetop wind. Treeline temperature -1 °C.

Sunday

Mix of sun and cloud with 0 to 2 cm of snow. 5 to 15 km/h southwest ridgetop wind. Treeline temperature -2 °C.

Monday

Increasing cloud  in the afternoon with trace amounts of snow. 5 to 15 km/h northwest ridgetop wind. Treeline temperature -3 °C.

More details can be found in the Mountain Weather Forecast.

Terrain and Travel Advice

  • Watch for fresh storm slabs building throughout the day.
  • As the storm slab problem worsens, the easy solution is to choose more conservative terrain.
  • Watch for newly formed and reactive wind slabs as you transition into wind-affected terrain.

Problems

Storm Slabs

Storm Slab avalanches are the release of a cohesive layer (a slab) of new snow that breaks within new snow or on the old snow surface. Storm-slabs typically last between a few hours and few days (following snowfall). Storm-slabs that form over a persistent weak layer (surface hoar, depth hoar, or near-surface facets) may be termed Persistent Slabs or may develop into Persistent Slabs.